Ratna Bajracharya, A.S. et al. 2021. Biology of Zygogramma Bicolorata Pallister on Parthenium hysterophorus Linn. under Laboratory Conditions. Nepal Journal of Science and Technology. 19, 2 (Oct. 2021), 1–8. DOI:https://doi.org/10.3126/njst.v20i1.39375.